The options object used in the Bindable.bind method.
An expression used for calculations (convertions) based on the value of the property.
The property name of the source object (typically the ViewModel) to bind to.
The property name of the target object (that is the Bindable instance) to bind the source property to.
True to establish a two-way binding, false otherwise. A two-way binding will synchronize both the source and the target property values regardless of which one initiated the change.